US3139680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding contacts to thermoelectric bodies
Assignee: Individual
•
Filing: 1963-02-08
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Granted: 1964-07-07
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Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Samuel J Scuro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:21
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN THE PROCESS FOR FORMING A THERMOELECTRIC DEVICE OF A ZINC ANTIMONIDE THERMOELECTRIC ELEMENT AND A LOW RESISTANCE COPPER CLAD STEEL CONTACT ELEMENT, THE STEPS COMPRISING (A) ASSEMBLING THE ELEMENTS WITH A SURFACE OF THE ZINC ANTIMONIDE ELEMENT IN INTIMATE CONTACT WITH THE STEEL SURFACE OF THE CONTACT ELEMENT, (B) BONDING THE ASSEMBLY IN A VACUUM SYSTEM AT A PRESSURE OF 10**-3 MM.HG WHILE APPLYING HEAT DIRECTLY TO THE COPPER SURFACE OF THE CONTACT ELEMENT MAINTAINED WITHIN A RANGE OF 425-450*C. FOR UPWARDLY OF FIVE MINUTES TO PROVIDE A FUSED JOINT BETWEEN THE SURFACE OF THE ZINC ANTIMONIDE ELEMENT AND THE STEEL SURFACE OF THE CONTACT ELEMENT.
Claim 2
Dependent Claim
107 words
IN THE PROCESS FOR FORMING A THERMOELECTRIC DEVICE OF A ZINC ANTIMONIDE THERMOELECTRIC ELEMENT AND A LOW RESISTANCE COPPER CLAD STEEL CONTACT ELEMENT, THE STEPS COMPRISING (A) ASSEMBLING THE ELEMENTS WITH A SURFACE OF THE ZINC ANTIMONIDE ELEMENT IN INTIMATE CONTACT WITH THE STEEL SURFACE OF THE CONTACT ELEMENT, (B) BONDING THE ASSEMBLY IN A VACUUM SYSTEM AT A PRESSURE OF 10**-3 MM.HG WHILE APPLYING HEAT DIRECTLY TO THE COPPER SURFACE OF THE CONTACT ELEMENT MAINTAINED WITHIN A RANGE OF 425-450*C. FOR UPWARDLY OF FIVE MINUTES TO PROVIDE A FUSED JOINT BETWEEN THE SURFACE OF THE ZINC ANTIMONIDE ELEMENT AND THE STEEL SURFACE OF THE CONTACT ELEMENT.
References Cited (Backward Citations)
US3000092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |